Assembly type canal crane rail dismounting and reuse device and construction method thereof

Abstract

An assembled water channel crane track disassembly and reuse device, including a plurality of inner support devices arranged side by side between two tracks on the channel bottom plate, a plurality of outer support devices arranged side by side between the butt joint bosses of the track and the channel bottom plate, the inner support device includes a cross brace and a telescopic mechanism A at one end of the cross brace, and the inner and outer support devices have self-walking function, so that the crane can be quickly loosened and lifted by the crane after the front section of the short track is assembled and constructed on the short track. The short track of the front section is butted with the short track of the rear section, the inner and outer support devices self-walk to the rear construction site to re-clamp and fix the track, and the crane can assemble and construct the water channel section by section along the track. This construction method can automatically butt and fix the track alternately, and the track and the support device can be reused, which improves the automation degree of water channel assembly operation, simplifies the operation process, reduces the construction cost and improves the construction efficiency.

Description

Technical Field

[0001] This invention relates to the field of prefabricated canal construction, and in particular to a crane rail disassembly and reuse device for prefabricated canals and its construction method. Background Technology

[0002] Aqueducts are waterways constructed by human hands and are commonly used for crop irrigation or drainage and flood control.

[0003] The construction of irrigation canals usually involves first excavating the trench, and then manually laying stones or pouring cement to build it. However, this construction method consumes a lot of manpower and is inefficient. The new construction method is to prefabricate U-shaped channels in the factory and install them into the excavated trench. However, these U-shaped prefabricated channels are very prone to cracking due to vibration during transportation.

[0004] To address these issues, a combined casting and assembly construction method is currently employed. This method involves casting the bottom slab of the canal within the channel, while the side slabs are prefabricated in a factory. The canal is constructed by assembling the side slabs and the bottom slab. The current assembly method primarily involves laying tracks within the canal channel, with cranes moving forward along the tracks to lift and assemble the side slabs. The tracks are mainly anchored within the canal channel. However, since canals are long water conservancy projects, repeated manual anchoring, disassembly, and track laying within the canal channel is required. This method suffers from low automation, complex workflow, and severely restricts construction efficiency. Summary of the Invention

[0005] To address the aforementioned problems, this invention proposes a prefabricated crane track disassembly and reuse device for irrigation canals and its construction method.

[0006] The technical solution of the present invention is: a prefabricated crane rail disassembly and reusable device for irrigation canals, comprising a plurality of internal support devices arranged side by side between two rails on the bottom plate of the canal channel, and a plurality of external support devices arranged side by side between the docking bosses of the rails and the bottom plate of the canal channel; the internal support device includes a cross brace and a telescopic mechanism A connected to one end of the cross brace, the telescopic rod A of the telescopic mechanism A is provided with a movable pad A at its outer end, and the other end of the cross brace is provided with a fixed pad, the fixed pad and the movable pad A respectively corresponding to the arc-shaped grooves on the sides of the two rails; the external support device includes a bidirectional telescopic mechanism and a positioning seat, the inner telescopic rod of the bidirectional telescopic mechanism is provided with a movable pad B corresponding to the side of the rail, and the positioning seat is provided at the outer end of the outer telescopic rod, the positioning seat corresponding to the position of the docking boss.

[0007] Preferably, the bottom of the cross brace of the telescopic mechanism A is provided with a movable bracket A, and both ends of the movable bracket A are equipped with rollers A, and a hub motor is installed inside the rollers A.

[0008] Preferably, the bottom of the columnar support of the bidirectional telescopic mechanism is provided with a movable bracket B, and both ends of the movable bracket B are equipped with rollers B, and a hub motor is installed inside the rollers B.

[0009] Preferably, the outer end of the movable bracket B is provided with an elastic bracket, the elastic bracket is provided with a spring to provide elastic support, and the outer end of the elastic bracket is equipped with a guide wheel.

[0010] Preferably, a telescopic adjustment mechanism is installed between the movable support B and the elastic support.

[0011] Preferably, the movable pad A, movable pad B, and fixed pad are all equipped with electromagnets inside.

[0012] A method for assembling and constructing water channels using a prefabricated crane rail disassembly and reuse device includes the following steps: ① Excavate a canal at the planned location of the canal, install templates at the bottom of the canal and pour the bottom slab of the canal channel, pour the connecting bosses on both sides of the bottom slab of the canal channel and reserve the reinforcing bars, prefabricate the side slab of the canal channel in the factory, and reserve the insertion holes on the bottom surface of the side slab of the canal channel. ②After the bottom slab of the channel is poured and cured, two rails are placed side by side on both sides of its surface. Each rail is made up of at least two short rail sections joined together. ③ Place several internal support devices side by side between adjacent short tracks. One end of the fixed pad rests in the arc-shaped groove inside the corresponding short track, and the telescopic mechanism A is activated to drive the other end of the movable pad A to rest in the arc-shaped groove inside the corresponding short track. ④ Place several external support devices side by side between the docking bosses of the short track and the bottom plate of the channel. Start the bidirectional telescopic mechanism to drive the movable pad B at one end to push into the arc groove on the outer side of the corresponding short track. At the same time, drive the positioning seat to press it against the inner side of the docking boss. The tracks on both sides are clamped and fixed. ⑤ Place the crane between the two short rails at the construction site, with the crane's bottom rail wheels pressing on the rails. Then, lift the prefabricated channel side plate with the crane and insert the insertion holes on its bottom surface into the insertion bars of the channel bottom plate to achieve the docking assembly of the prefabricated water channel. ⑥ After the assembly of a section of the canal is completed, the crane moves forward to the two short rails of the next construction position for hoisting construction. After the construction of this section of the canal is completed, the inner support device and outer support device corresponding to the two short rails of the previous construction position are activated to loosen and release the short rails of the previous construction position. Then, the crane hoists the loosened short rails forward and connects them with the short rails at the bottom of the crane. ⑦ Release the inner and outer support devices corresponding to the two short rails at the bottom of the crane in step ⑥. The inner and outer support devices move forward under the drive of the hub motor. During this process, the inner and outer support devices are always clamped and fixed to the two sections of rails at the bottom of the crane by alternating clamping and fixing. After the inner and outer support devices move forward into place, the rails on both sides are fixed again according to the methods in steps ③ and ④. The crane continues to move forward along the rails to the next position for construction. ⑧ Following the above construction method, the crane alternately connects to the rails and proceeds with the assembly of the water channel in sections along the rails.

[0013] Preferably, during the forward movement of the inner support device in step ⑦ driven by the hub motor, the telescopic adjustment mechanism presses the guide wheel against the inner surface of the docking boss, providing movement guidance for the outer support device.

[0014] The beneficial technical effects of this invention are: The track of this invention is composed of at least two short track sections joined together, and uses internal and external support devices with automatic telescopic tightening function to automatically clamp and fix or release the short track. Both internal and external support devices have self-propelled function. Therefore, after the crane completes the assembly construction of the first section of the water channel on the short track, the first section of the short track can be quickly released and lifted by the crane to connect with the second section of the short track. The internal and external support devices automatically move to the second section construction site to re-clamp and fix the track. The crane can then move forward along the track to perform segmented assembly construction of the water channel. This construction method can automatically connect and fix the track alternately and can reuse the track and support devices, improving the automation level of the water channel assembly operation, simplifying the operation process, reducing construction costs, and improving construction efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a top view of the structure of the present invention; Figure 3 This is a schematic diagram of the main structure of the present invention; Figure 4 yes Figure 3 Enlarged view of point a; Figure 5 yes Figure 3 Enlarged view of point b; Figure 6 This is a three-dimensional structural diagram of the external support device; Figure 7 This is a top view of the external support device. Figure 8 This is a three-dimensional structural diagram of the internal support device; Figure 9This is a schematic diagram of the prefabricated channel side plates and channel bottom plates in their unassembled and connected state.

[0016] In the diagram, 01. Internal support device, 11. Horizontal brace, 12. Telescopic mechanism A, 121. Movable pad A, 122. Telescopic rod A, 13. Fixed pad, 14. Movable support A, 15. Roller A, 02. External support device, 22. Bidirectional telescopic mechanism, 221. Internal telescopic rod, 222. Movable pad B, 223. External telescopic rod, 23. Positioning seat, 24. Movable support B, 241. Roller B, 25. Elastic support, 251. Guide wheel, 26. Telescopic adjustment mechanism, 31. Channel bottom plate, 311. Connecting boss, 312. Inserted rib, 32. Precast channel side plate, 41. Track, 411. Arc-shaped groove. Detailed Implementation

[0017] Example 1, see appendix to the instruction manual. Figure 1 - 8. A prefabricated crane rail disassembly and reuse device for irrigation canals, comprising several internal support devices arranged side-by-side between two rails on the bottom plate of the canal channel, and several external support devices arranged side-by-side between the mating bosses of the rails and the bottom plate of the canal channel; the internal support devices include a cross brace and a telescopic mechanism A connected to one end of the cross brace, the telescopic mechanism A being a hydraulic cylinder or an electric push rod, the outer end of the telescopic rod A of the telescopic mechanism A being provided with a movable pad A, and the other end of the cross brace being provided with a fixed pad, the fixed pad and the movable pad A corresponding to the arc-shaped grooves on the sides of the two rails respectively. Both the fixed pad and the movable pad A have curved outer surfaces, allowing them to be stably engaged in the curved grooves on the side of the track. The external support device includes a bidirectional telescopic mechanism and a positioning seat. The outer end of the inner telescopic rod of the bidirectional telescopic mechanism is provided with a movable pad B corresponding to the side of the track. The outer surface of the movable pad B is also curved. The positioning seat is located at the outer end of the outer telescopic rod, and the positioning seat corresponds to the docking boss. The bidirectional telescopic mechanism is a bidirectional electric push rod. After the bidirectional telescopic mechanism is started, the inner telescopic rod and the outer telescopic rod extend outward synchronously.

[0018] The bottom of the cross brace of the telescopic mechanism A is provided with a movable bracket A. Both ends of the movable bracket A are equipped with rollers A, and hub motors are installed inside the rollers A. The hub motors drive the rollers A to rotate, thereby driving the inner support device to move on the bottom plate of the channel. The bottom of the columnar support of the bidirectional telescopic mechanism is provided with a movable bracket B. Both ends of the movable bracket B are equipped with rollers B, and hub motors are installed inside the rollers B. The outer support device is also driven to move by the rollers B, which are equipped with hub motors. Therefore, the inner support device and the outer support device can automatically move and adjust their positions on the bottom plate of the channel.

[0019] The outer end of the movable support B is provided with an elastic support, and the elastic support contains a spring that provides elastic support for it. A guide wheel is installed at the outer end of the elastic support, and the elastic support provides elastic support for the guide wheel. A telescopic adjustment mechanism is installed between the movable support B and the elastic support. When the telescopic mechanism A of the outer support device drives the movable pad to retract and loosen the track, and moves forward to adjust the clamping and fixing position, the telescopic adjustment mechanism drives the elastic support to move outward, and the guide wheel elastically presses against the inner side of the docking boss, guiding the movement of the outer support device.

[0020] The movable pad A, movable pad B, and fixed pad are all equipped with electromagnets inside. This design is used to improve the stability of each pad pressing against the side of the guide rail, and to achieve a better clamping and fixing effect on the guide rail.

[0021] Example 2, see appendix to the instruction manual. Figure 1 - 9. A method for assembling and constructing a water channel using the prefabricated water channel crane rail disassembly and reuse device described in Embodiment 1, comprising the following steps: ① Excavate a canal at the planned location of the canal, install templates at the bottom of the canal and pour the bottom slab of the canal channel, pour the connecting bosses on both sides of the bottom slab of the canal channel and reserve the reinforcing bars, prefabricate the side slab of the canal channel in the factory, and reserve the insertion holes on the bottom surface of the side slab of the canal channel. ②After the bottom slab of the channel is poured and cured, two rails are placed side by side on both sides of its surface. Each rail is made up of at least two short rail sections joined together. ③ Place several internal support devices side by side between adjacent short tracks. One end of the fixed pad rests in the arc-shaped groove inside the corresponding short track, and the arc-shaped surface of the fixed pad matches and engages in the arc-shaped groove on the side wall of the track. The telescopic mechanism A is activated to drive the movable pad A at the other end to rest in the arc-shaped groove inside the corresponding short track, and the arc-shaped surface of the movable pad A matches and engages in the arc-shaped groove on the side wall of the track. ④ Place several external support devices side by side between the docking bosses of the short track and the bottom plate of the channel. Start the bidirectional telescopic mechanism to drive the movable pad B at one end to push into the arc groove on the outer side of the corresponding short track. At the same time, drive the positioning seat to press it against the inner side of the docking boss. The arc surface of the movable pad B on the outside matches and is inserted into the arc groove on the side wall of the track, and the tracks on both sides are clamped and fixed. ⑤ Place the crane between the two short rails at the construction site, with the crane's bottom rail wheels pressing on the rails. Then, lift the prefabricated channel side plate with the crane and insert the insertion holes on its bottom surface into the insertion bars of the channel bottom plate to achieve the docking assembly of the prefabricated water channel. ⑥ After the assembly construction of a section of the canal is completed, the crane moves forward to the two short rails of the next construction position for hoisting construction. After the construction of this section of the canal is completed, the inner support device and outer support device corresponding to the two short rails of the previous construction position are activated. The telescopic mechanism in the two support devices drives the pad to retract inward, releasing the short rails of the previous construction position. Then, the crane hoists the released short rails forward and connects them with the short rails at the bottom of the crane. ⑦ Release the inner and outer support devices corresponding to the two short rails at the bottom of the crane in step ⑥. The inner and outer support devices move forward under the drive of the hub motor. During this process, the inner and outer support devices are always clamped and fixed to the two sections of rails at the bottom of the crane by alternating clamping and fixing. After the inner and outer support devices move forward into place, the rails on both sides are fixed again according to the methods in steps ③ and ④. The crane continues to move forward along the rails to the next position for construction. ⑧ Following the above construction method, the crane alternately connects to the rails and proceeds with the assembly of the canal in sections along the rails. This construction method allows for the reuse of rails and support devices, improving the automation level of the canal assembly operation and simplifying the work process.

[0022] During the forward movement of the inner support device in step ⑦ driven by the hub motor, the telescopic adjustment mechanism presses the guide wheel against the inner surface of the docking boss, providing movement guidance for the outer support device.

Claims

1. A prefabricated crane rail disassembly and reuse device for irrigation canals, characterized in that: The system includes several internal support devices arranged side-by-side between two tracks on the bottom plate of the channel, and several external support devices arranged side-by-side between the docking bosses of the tracks and the bottom plate of the channel. The internal support devices include a cross brace and a telescopic mechanism A connected to one end of the cross brace. The telescopic mechanism A has a movable pad A at the outer end of the telescopic rod A and a fixed pad at the other end of the cross brace. The fixed pad and the movable pad A correspond to the arc-shaped grooves on the sides of the two tracks, respectively. The external support devices include a bidirectional telescopic mechanism and a positioning seat. The inner telescopic rod of the bidirectional telescopic mechanism has a movable pad B corresponding to the side of the track at the outer end. The positioning seat is located at the outer end of the outer telescopic rod and corresponds to the position of the docking boss. The bottom of the cross brace of the telescopic mechanism A is provided with a movable bracket A, and both ends of the movable bracket A are equipped with rollers A, and a hub motor is installed inside the rollers A; the bottom of the columnar support of the bidirectional telescopic mechanism is provided with a movable bracket B, and both ends of the movable bracket B are equipped with rollers B, and a hub motor is installed inside the rollers B.

2. The prefabricated canal crane rail disassembly and reuse device according to claim 1, characterized in that: The outer end of the movable support B is provided with an elastic support, and a spring is provided inside the elastic support to provide elastic support. A guide wheel is installed on the outer end of the elastic support.

3. The prefabricated canal crane rail disassembly and reuse device according to claim 2, characterized in that: A telescopic adjustment mechanism is installed between the movable support B and the elastic support.

4. The prefabricated canal crane rail disassembly and reuse device according to claim 1, characterized in that: The movable pad A, movable pad B, and fixed pad are all equipped with electromagnets inside.

5. A method for assembling and constructing a water channel using the prefabricated crane rail disassembly and reuse device according to any one of claims 1-4, characterized by the following steps: ① Excavate a canal at the planned location of the canal, install templates at the bottom of the canal and pour the bottom slab of the canal channel, pour the connecting bosses on both sides of the bottom slab of the canal channel and reserve the reinforcing bars, prefabricate the side slab of the canal channel in the factory, and reserve the insertion holes on the bottom surface of the side slab of the canal channel. ②After the bottom slab of the channel is poured and cured, two rails are placed side by side on both sides of its surface. Each rail is made up of at least two short rail sections joined together. ③ Place several internal support devices side by side between adjacent short tracks. One end of the fixed pad rests in the arc-shaped groove inside the corresponding short track, and the telescopic mechanism A is activated to drive the other end of the movable pad A to rest in the arc-shaped groove inside the corresponding short track. ④ Place several external support devices side by side between the docking bosses of the short track and the bottom plate of the channel. Start the bidirectional telescopic mechanism to drive the movable pad B at one end to push into the arc groove on the outer side of the corresponding short track. At the same time, drive the positioning seat to press it against the inner side of the docking boss. The tracks on both sides are clamped and fixed. ⑤ Place the crane between the two short rails at the construction site, with the crane's bottom rail wheels pressing on the rails. Then, lift the prefabricated channel side plate with the crane and insert the insertion holes on its bottom surface into the insertion bars of the channel bottom plate to achieve the docking assembly of the prefabricated water channel. ⑥ After the assembly of a section of the canal is completed, the crane moves forward to the two short rails of the next construction position for hoisting construction. After the construction of this section of the canal is completed, the inner support device and outer support device corresponding to the two short rails of the previous construction position are activated to loosen and release the short rails of the previous construction position. Then, the crane hoists the loosened short rails forward and connects them with the short rails at the bottom of the crane. ⑦ Release the inner and outer support devices corresponding to the two short rails at the bottom of the crane in step ⑥. The inner and outer support devices move forward under the drive of the hub motor. During this process, the inner and outer support devices are always clamped and fixed to the two sections of rails at the bottom of the crane by alternating clamping and fixing. After the inner and outer support devices move forward into place, the rails on both sides are fixed again according to the methods in steps ③ and ④. The crane continues to move forward along the rails to the next position for construction. ⑧ Following the above construction method, the crane alternately connects to the rails and proceeds with the assembly of the water channel in sections along the rails.

6. The method for assembling and constructing water channels using the prefabricated crane rail disassembly and reuse device according to claim 5, characterized in that: During the forward movement of the inner support device in step ⑦ driven by the hub motor, the telescopic adjustment mechanism presses the guide wheel against the inner surface of the docking boss, providing movement guidance for the outer support device.

Images